Safety Limit Switches
GK Series
Metal body for large doors/cages. Unique friction feature. UL, CSA, CE, SIL3. IP67. NEMA 1, 4, 12, 13. Silver & gold contacts
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MICRO SWITCH GK Series switches are key-operated safety interlock rugged metal switches which monitor the positions of gates, guards, or doors. The key is attached to the moving portion of the gate, guard, or door. When the gate is closed, the key is inserted into the GK switch indicating a safe position (gate closed) and the machine process can start. The positive opening normally closed contacts are held closed when the key is inserted into the GK switch. Opening the gate, removes the key from the switch. This action opens the normally closed contacts of the switch and interrupts the machine's control circuit.
GK Series switches are designed with dual-entry positions for the key. The key can be inserted from the top or side of the switch which allows more flexibility in mounting the switch in the application. There are four different styles of keys and a variety of switch contact arrangements to satisfy the requirements for most applications requiring a safety interlock key switch. GK Series switches are designed with a unique friction feature for key retention. GK Series switches have been evaluated for safety functions up to and including a safety integrity level (SIL) of SIL3 when evaluated to the requirements of IEC 61508-2:2010.
Technical Specifications
- Short Circuit Protective Device (SCPD)
- Class J Fuse (10 A/600 V)
- Termination Type
- Conduit/Connector
- Connection Type
- NPT
- Head Position
- Front & Top
- Ampere Rating
- 0.27 A
- 1.2 A
- 3 A
- Contact Form
- 1NC/1NO Snap-Action
- Switch Type
- Interlock
- Lever Type
- Key Operated
Electrical Specifications
- Conditional Short-Circuit Current
- 1000 A
- Rated Impulse Withstand Voltage
- 2500
- Rated Insulation Voltage
- 300 V, 600 V
- Thermal Current
- 10 A
Standards & Certifications
- Agency Approvals and Standards
- CE (per IEC 60947-1, IEC 60947-5-1)
- CSA (C22.2 No.14. File 57323)
- UL (per UL508, File E37138)
- Pollution Degree
- 3
Material Specifications
- Expected Mechanical Life
- >1,000,000 Cycles With Single-Sided Confidence Limit of 95%
- Housing Material
- Epoxy Coated Die-Cast Zinc
- Contact Material
- Silver Alloy (Standard)
Features
- With LED Pilot Light/S
- No
- MCTF (Electrical Life)
- >60,000 Cycles
- Utilization Category
- A300/A600
- AC15
- DC13 Q300
- Proof Test Interval
- 1 Year
- SIL Capability
- IEC 61508-2:2010
- Up to and Including SIL3 (HFT1)
- Series Name
- GK Series
- Vibration
- 10 G per IEC 60068-2-6
- Key Style
- 90°
- Indicator
- No
- Sealing
- IP67
- NEMA 1
- NEMA 12
- NEMA 13
- NEMA 4
- Shock
- 50 G per IEC 60068-2-27
Operating Characteristics
- Operating Temperature
- -25 to 85 °C (-13 to 185 °F)
Overview
- Product Type
- MICRO SWITCH Key-Operated Safety Interlock Switch
Dimensions & Weight
- Conduit Size
- 0.5-14 NPT, 20 mm, PG 13,5 Threaded Conduit
- Cable Length
- 20 mm
Others
- Depth
- 1.67 in
- 42.6 mm
- Height
- 121.6 mm
- 4.78 in
Technical Specifications
- Short Circuit Protective Device (SCPD)
- Class J Fuse (10 A/600 V)
- Termination Type
- Conduit/Connector
- Connection Type
- NPT
- Head Position
- Front & Top
- Ampere Rating
- 0.27 A
- 1.2 A
- 3 A
- Contact Form
- 1NC/1NO Snap-Action
- Switch Type
- Interlock
- Lever Type
- Key Operated
Electrical Specifications
- Conditional Short-Circuit Current
- 1000 A
- Rated Impulse Withstand Voltage
- 2500
- Rated Insulation Voltage
- 300 V, 600 V
- Thermal Current
- 10 A
Standards & Certifications
- Agency Approvals and Standards
- CE (per IEC 60947-1, IEC 60947-5-1)
- CSA (C22.2 No.14. File 57323)
- UL (per UL508, File E37138)
- Pollution Degree
- 3
Material Specifications
- Expected Mechanical Life
- >1,000,000 Cycles With Single-Sided Confidence Limit of 95%
- Housing Material
- Epoxy Coated Die-Cast Zinc
- Contact Material
- Silver Alloy (Standard)
Features
- With LED Pilot Light/S
- No
- MCTF (Electrical Life)
- >60,000 Cycles
- Utilization Category
- A300/A600
- AC15
- DC13 Q300
- Proof Test Interval
- 1 Year
- SIL Capability
- IEC 61508-2:2010
- Up to and Including SIL3 (HFT1)
- Series Name
- GK Series
- Vibration
- 10 G per IEC 60068-2-6
- Key Style
- 90°
- Indicator
- No
- Sealing
- IP67
- NEMA 1
- NEMA 12
- NEMA 13
- NEMA 4
- Shock
- 50 G per IEC 60068-2-27
Operating Characteristics
- Operating Temperature
- -25 to 85 °C (-13 to 185 °F)
Overview
- Product Type
- MICRO SWITCH Key-Operated Safety Interlock Switch
Dimensions & Weight
- Conduit Size
- 0.5-14 NPT, 20 mm, PG 13,5 Threaded Conduit
- Cable Length
- 20 mm
Others
- Depth
- 1.67 in
- 42.6 mm
- Height
- 121.6 mm
- 4.78 in
- Depth : 1.67 in|42.6 mm
- Height : 121.6 mm|4.78 in
- Short Circuit Protective Device (SCPD) : Class J Fuse (10 A/600 V)
- Conditional Short-Circuit Current : 1000 A
- Rated Impulse Withstand Voltage : 2500
- Agency Approvals and Standards : CE (per IEC 60947-1, IEC 60947-5-1)|CSA (C22.2 No.14. File 57323)|UL (per UL508, File E37138)
- Rated Insulation Voltage : 300 V, 600 V
- Expected Mechanical Life : >1,000,000 Cycles With Single-Sided Confidence Limit of 95%
- With LED Pilot Light/S : No
- MCTF (Electrical Life) : >60,000 Cycles
- Operating Temperature : -25 to 85 °C (-13 to 185 °F)
- Utilization Category : A300/A600|AC15|DC13 Q300
- Proof Test Interval : 1 Year
- Termination Type : Conduit/Connector
- Pollution Degree : 3
- Housing Material : Epoxy Coated Die-Cast Zinc
- Contact Material : Silver Alloy (Standard)
- Thermal Current : 10 A
- Connection Type : NPT
- SIL Capability : IEC 61508-2:2010|Up to and Including SIL3 (HFT1)
- Head Position : Front & Top
- Ampere Rating : 0.27 A|1.2 A|3 A
- Product Type : MICRO SWITCH Key-Operated Safety Interlock Switch
- Contact Form : 1NC/1NO Snap-Action
- Conduit Size : 0.5-14 NPT, 20 mm, PG 13,5 Threaded Conduit
- Cable Length : 20 mm
- Switch Type : Interlock
- Series Name : GK Series
- Lever Type : Key Operated
- Vibration : 10 G per IEC 60068-2-6
- Key Style : 90°
- Indicator : No
- Sealing : IP67|NEMA 1|NEMA 12|NEMA 13|NEMA 4
- Shock : 50 G per IEC 60068-2-27
Data Sheet
Manuals and Guides
Installation Instructions
Brochure
Technical Note
Certificate
Application Note
eBook
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